Except as provided in 161.239 (use of deadly physical force in making an arrest or preventing an escape) and ]HB4301 Ch. 3 Sec. 2 (Pressure on throat or neck), a peace officer is justified in using physical force upon another person only when and to the extent that the peace officer reasonably believes it necessary:

(1) A peace officer may use physical force upon another person only when it is objectively reasonable, under the totality of circumstances known to the peace officer, to believe:

(2) for self-defense or to defend a third person from what the peace officer reasonably believes to be the use or imminent use of physical force while making or attempting to make an arrest or while preventing or attempting to prevent an escape